Home / 96,128.64-131,951.52-85,281.12

Finding the Fourth Proportional to 96,128.64, 131,951.52 and 85,281.12

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Solution

The fourth proportional to 96,128.64, 131,951.52 and 85,281.12 is: 117,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,128.64 : 131,951.52 = 85,281.12 : x
  2. Step 2: Convert to fraction form
    96,128.64/131,951.52 = 85,281.12/x
  3. Step 3: Cross multiply
    96,128.64x = 131,951.52 × 85,281.12
  4. Step 4: Simplify right side
    96,128.64x = 11,252,973,411.30
  5. Step 5: Solve for x
    x = 11,252,973,411.30/96,128.64
  6. Step 6: Final answer
    x = 117,061.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.